(Solved): 02 Question (2 points) An isotope is specified by the symbol \( { }_{Z}^{A} \mathrm{X}^{n} \). 1s ...

02 Question (2 points) An isotope is specified by the symbol \( { }_{Z}^{A} \mathrm{X}^{n} \). 1st attempt Part 1 (0.7 point) What does X represent? Choose one: number of neutrons in the nucleus of the isotope molar mass of the element charge of the species symbol of the element